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Sigtap Cold Email Template Generator
x402
Sigtap Cold Email Template Generator is a paid API for AI agents from sigtap-outreach-api.sigtap.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns a personalized cold email draft generated from proven outreach templates
Price / call$0.01
Success—
StatusUnknown
How this service works
Paid micro-utilities for cold-email outreach agents: domain deliverability audits, cold-email grading, template generation, plus a tools toolbox (hashing, JWT decode, IDs, slugs, JSON, regex, crypto prices, domain age, weather). Paid via x402 (USDC on Base). One signature per call. No keys. FREE CHECK: GET /preview/<paid-path> (same URL with /preview/ prefix) returns a 200 demo sample - verify output shape before paying. PAID CALL: GET the url -> 402 challenge -> sign + retry with X-PAYMENT -> settled on-chain (USDC, Base). Ready-to-paste client: GET /llms.txt section "Pay in one call". Catalog+MCP twin: /llms.txt.
Output
A personalized cold email body drafted from proven outreach templates, ready to send or lightly customize, tailored to the specified outreach context and recipient type.
Example use cases
B2B SaaS sales prospecting
“Write me a cold email from a proven template to send to a startup CTO about our API monitoring service — keep it short, personalized, and focused on saving their engineering team time.”
Freelancer client outreach
“I need a cold email template to pitch my UX design services to e-commerce brands. Can you generate one that feels personal and gets straight to the value I offer?”
Partnership outreach campaign
“Generate a personalized cold email for reaching out to a potential business partner — I want to propose a co-marketing deal with a mid-size fintech company.”
Technical details
Endpoint
GEThttps://sigtap-outreach-api.sigtap.workers.dev/templateWhen to prefer
Choose this endpoint when you need a ready-to-use cold email draft grounded in proven outreach patterns, especially in a sales or B2B context, and you want to skip blank-page copywriting. It complements the sibling 'grade' endpoint (which scores cold emails) and 'deliverability' endpoint (which audits sending domains), making it ideal for a full cold-email automation pipeline.
Side effects
- Missing or malformed query parameters may return a 400 error or empty template
- Payment not completed (x402 flow not fulfilled) results in a 402 Payment Required response
- Rate limiting or worker timeout may return a 5xx error
- No matching template for the given context may return a generic or empty draft
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"body": "...",
"subject": "...",
"cadence_tips": []
}
}Tags
x402
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